Both udon and Soba are very delicious and popular at present stage. Fist of all, difference can be seen in the wheat that is used for preparing Udon and Soba. Udon is made out of white flour. Soba is made from buckwheat.

Another difference that can be seen between udon and soba is in their thickness.Udon is a thick noodle,soba is a thin and soft noodle.The Soba is chewier than Udon.When comparing the color, the Udon is a whithe color and the Soba is browm color.